<template>
  <a-card>
    <draggable @end="end" :options="{animation: 300}" v-model="dataSource" style="display: inline-block">
      <template v-for="(data,index) in dataSource">
        <div style="float: left;width:150px;height:150px;margin-right: 10px;margin: 0 8px 8px 0;" :key="index">
          <div
            style="width: 100%;height: 100%;position: relative;padding: 8px;border: 1px solid #d9d9d9;border-radius: 4px;">
            <img style="width: 100%;" :src="data.filePath" preview="index">
          </div>
        </div>
      </template>
      <a-button @click="sureChange" type="primary" style="margin-top: 115px">确定</a-button>
    </draggable>
    <br />
    <a-row>
      <a-col :span="12">
        <p>拖拽前json数据：</p>
        <textarea rows="25" style="width: 780px">{{ oldDateSource }}</textarea>
      </a-col>
      <a-col :span="12">
        <p>拖拽后json数据：</p>
        <textarea rows="25" style="width: 780px">{{ newDateSource }}</textarea>
      </a-col>
    </a-row>
  </a-card>
</template>

<script>
import draggable from 'vuedraggable'
import ARow from 'ant-design-vue/es/grid/Row'
import ACol from 'ant-design-vue/es/grid/Col'

export default {
  name: 'ImgDragSort',
  components: {
    ACol,
    ARow,
    draggable
  },
  data() {
    return {
      description: '图片拖拽排序',
      spinning: false,
      //数据集
      dataSource: [
        { id: '000', sort: 0, filePath: 'https://static.jeecg.com/upload/test/1_1588149743473.jpg' },
        {
          id: '111',
          sort: 1,
          filePath: 'https://static.jeecg.com/upload/test/u27356337152749454924fm27gp0_1588149731821.jpg'
        },
        {
          id: '222',
          sort: 2,
          filePath: 'https://static.jeecg.com/upload/test/u24454681402491956848fm27gp0_1588149712663.jpg'
        },
        { id: '333', sort: 3, filePath: 'https://static.jeecg.com/temp/国炬软件logo_1606575029126.png' },
        {
          id: '444',
          sort: 4,
          filePath: 'https://static.jeecg.com/upload/test/u8891206113801177793fm27gp0_1588149704459.jpg'
        }
      ],
      oldDateSource: [],
      newDateSource: []
    }
  },
  created() {
    this.oldDateSource = this.dataSource
  },
  methods: {
    end: function(evt) {
      console.log('拖动前的位置' + evt.oldIndex)
      console.log('拖动后的位置' + evt.newIndex)
    },
    sureChange() {
      for (var i = 0; i < this.dataSource.length; i++) {
        this.dataSource[i].sort = i
      }
      this.newDateSource = this.dataSource
    }
  }
}
</script>

<style scoped>

</style>